OT-2026-000020452
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000020452) never changes.
Identity and time
| Publication number | OT-2026-000020452 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437b-7569-8210-a4fe052019af · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020452 |
| Status | PUBLIC |
Content hashes
| Canonical text | a620ec1a9c738b3c6ca5351e688d193f09f1ec17bf6256e6cca8cc348ed7341b |
|---|---|
| Markdown | e701463e4899861cb015462f3bd256c82106aca0fb156701502f141ecaa79c0d |
| Publication page | 6f42ec4180e137f3997b655d0e65822c649f36a467914aba8d32951b9ba39edb |
| Manifest | 9dd8394899477cd6d34b65b6ca85fabcd24fda351fc3258d05c8c4da6e93e570 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | oeLJEBsK1M4706nKCXW7EVOImzJLDuRKBidUzA5yi4OA84wQK2OYWcp+kvbhiEc3pLXm0EKu5lUc7xCscC/dAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T12:00:22.692489Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020452observed 6f42ec4180e137f3997b655d0e65822c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:22.673353Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020452/manifest.jsonobserved 9dd8394899477cd6d34b65b6ca85fabc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:22.653807Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020452/publication.mdobserved e701463e4899861cb015462f3bd256c8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:22.630477Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020452/publication.txtobserved a620ec1a9c738b3c6ca5351e688d193f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:26.513853Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020452observed 6f42ec4180e137f3997b655d0e65822c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:26.493666Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020452/manifest.jsonobserved 9dd8394899477cd6d34b65b6ca85fabc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:26.474579Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020452/publication.mdobserved e701463e4899861cb015462f3bd256c8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:26.455191Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020452/publication.txtobserved a620ec1a9c738b3c6ca5351e688d193f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| Custody package | Pending Custody packages are produced weekly. |
|---|